Robust Control of Constrained Parabolic Systems with Neumann Boundary Conditions

Mordukhovich, B.S. & Zhang, K. (1996). Robust Control of Constrained Parabolic Systems with Neumann Boundary Conditions. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-96-088

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Abstract

This paper presents recent results by the authors on minimax robust control design of parabolic systems with uncertain perturbations under pointwise state and control constraints. The design procedure involves multi-step approximations and essentially employs monotonicity properties of the parabolic dynamics as well as its asymptotics on the infinite horizon. The results obtained justify a suboptimal three-positional structure of feedback controllers in the Neumann boundary conditions and provide calculations of their optimal parameters to ensure the required state performance and stability under any admissible perturbations. The problem under consideration was originally motivated by control design in water resources but certainly admits a much broader spectrum of applications.

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